A rectangular iron core has three coils as shown in the given figure. The number of turns of the coils are Na = 300, Nb = 600 and Nc = 600, and the respective currents are 1.5 A, 4 A and 3 A. Find the total magnetomotive force.
1
1050 AT
2
3750 AT
3
4650 AT
4
1136 AT